Coaxial Cables

RG 11URM (URM 57)

 

Construction

Coaxial Cables

Inner conductor Plain copper 1.15mm
Dielectric Lowdensity PE Φ7.25±0.18mm
Outer conductor(shield) Plain copper 192x0.18mm
Shield coverage 97%
Sheath PVC or LSZH Φ10.3±0.18mm

 

Electrical & Mechanical Characteristics

Impedance 75±5Ohm
Nominal capacitance 67pF/m
Velocity of propagation 66%
Insulation resistance >2000Mohm.Km
Inner conductor resistance 16.6Ohm/Km
Outer conductor resistance 4.5Ohm/Km
Operating temperature range -30°C-+70°C
Copper weight 58.3Kg/Km
Cable weight(approx.) 146.7Kg/Km
Screening effectiveness >55dB

 

Attenuation

Frequency(MHz)50 Attenuation(dB/100m)3.8 Attenuation(dB/100ft)1.16
100 5.5 1.68
200 8.2 2.5
400 12 3.66
500 13.6 4.15
600 15 4.57
860 18.8 5.73
1000 20.7 6.31

 

Return Loss

30-300MHz >30dB
300-600MHz >27dB
600-900MHz >25dB